| 1996 - present | Independent Consultant |
| Lafayette, CA | |
| 1972 - 1995 | Chief Metallurgist |
| Anamet Laboratories, Inc. | |
| Hayward, CA | |
| 1969 - 1972 | Technical Services Engineer |
| Airco Vacuum Metals | |
| Berkeley, CA | |
| 1966 - 1968 | Commissioned Officer / Metallurgist |
| Redstone Arsenal, AL |